32013321444 has 192 divisors, whose sum is σ = 93587961600. Its totient is φ = 9395011584.

The previous prime is 32013321433. The next prime is 32013321463. The reversal of 32013321444 is 44412331023.

32013321444 is a `hidden beast` number, since 320 + 1 + 332 + 1 + 4 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3374692 + ... + 3384164.

It is an arithmetic number, because the mean of its divisors is an integer number (487437300).

Almost surely, 2^32013321444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32013321444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46793980800).

32013321444 is an abundant number, since it is smaller than the sum of its proper divisors (61574640156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32013321444 is a wasteful number, since it uses less digits than its factorization.

32013321444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9611 (or 9603 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 32013321444 its reverse (44412331023), we get a palindrome (76425652467).

The spelling of 32013321444 in words is "thirty-two billion, thirteen million, three hundred twenty-one thousand, four hundred forty-four".